Tehuantepec Forecast

December 8, 2025, 9:01 am (UTC: -05:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...GALE WARNING...
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 16N94W
TO 15N95W TO 16N95W TO 16N96W TO 12N97W TO 13N95W TO 16N94W N TO
NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N98W TO 13N96W TO
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N94W
TO 14N98W TO 12N101W TO 11N101W TO 10N98W TO 12N96W TO 15N94W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 16N94W
TO 15N95W TO 16N95W TO 16N96W TO 12N97W TO 13N95W TO 16N94W N TO
NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N98W TO 13N96W TO
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N94W
TO 14N98W TO 12N101W TO 11N101W TO 10N98W TO 12N96W TO 15N94W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

GULF OF TEHUANTEPEC GALE WARNING: THE NEXT GAP WIND EVENT IN THE
GULF OF TEHUANTEPEC IS FORECAST TO BEGIN LATER THIS MORNING
AROUND SUNRISE AS A COLD FRONT MOVES OVER THE SW GULF OF AMERICA
AND HIGH PRESSURE BUILDS ACROSS THE EASTERN SLOPES OF THE SIERRA
MADRE MOUNTAINS IN THE WAKE OF THE FRONT. FRESH TO STRONG
NORTHERLY WINDS WILL SETUP IN THE GULF OF TEHUANTEPEC EARLY TODAY,
THEN INCREASE TO GALE-FORCE THIS EVENING. GALE-FORCE WINDS WILL
THEN LIKELY PERSIST THROUGH TUE EVENING. ROUGH SEAS, PEAKING
AROUND 12 OR 13 FT, ARE EXPECTED WITH THIS EVENT TONIGHT INTO
EARLY TUE MORNING WHEN WINDS MAY BRIEFLY REACH 40 KT.
A RIDGE DOMINATES THE OFFSHORE FORECAST WATERS OF BAJA CALIFORNIA
PRODUCING MAINLY GENTLE TO MODERATE NW TO N WINDS WITH MODERATE
SEAS EXTENDING TO NEAR CABO CORRIENTES. IN THE GULF OF
CALIFORNIA, FRESH TO LOCALLY STRONG NW-N WINDS ARE IN THE CENTRAL
GULF FROM 24.5N TO 29.5N PER RECENT ASCAT SCATTEROMETER DATA
ALONG WITH MODERATE SEAS, WITH MODERATE TO LOCALLY FRESH NW
WINDS AND SLIGHT SEAS ELSEWHERE IN THE GULF. LIGHT TO GENTLE
WINDS AND MODERATE SEAS IN LONG PERIOD NW SWELL ARE OBSERVED
ACROSS THE REMAINDER OF THE MEXICAN OFFSHORE WATERS, EXCEPT
NORTHERLY AT MODERATE SPEEDS DEVELOPING IN THE GULF OF
TEHUANTEPEC.
FOR THE FORECAST, OCCASIONALLY FRESH TO LOCALLY STRONG NW TO N
WINDS AND MODERATE SEAS ARE EXPECTED IN THE CENTRAL GULF OF
CALIFORNIA THROUGH TUE MORNING DUE TO THE PRESSURE GRADIENT
BETWEEN A TROUGH OVER NW MEXICO AND A RIDGE OFFSHORE THE BAJA
CALIFORNIA PENINSULA. LOOKING AHEAD, THE NEXT GAP WIND EVENT IN
THE GULF OF TEHUANTEPEC IS EXPECTED TO BEGIN EARLY TODAY, REACHING
GALE-FORCE TONIGHT THROUGH TUE NIGHT. PLEASE, SEE THE SPECIAL
FEATURES SECTION FOR MORE DETAILS. FRESH N WINDS MAY DEVELOP NEAR
CABO CORRIENTES TUE NIGHT THROUGH WED NIGHT.

FOR THE FORECAST, MAINLY GENTLE WINDS WILL PREVAIL N OF THE
MONSOON TROUGH THROUGH THE NEXT SEVERAL DAYS, EXCEPT INCREASING
AND PULSING TO MODERATE TO FRESH IN THE GULF OF PAPAGAYO
BEGINNING EARLY TUE. GENTLE TO MODERATE WINDS WILL PREVAIL S OF
MONSOON TROUGH. MODERATE N WINDS WILL PULSE IN THE GULF OF PANAMA
STARTING TUE NIGHT. SEAS GENERATED BY A GAP WIND EVENT IN THE
GULF OF TEHUANTEPEC ARE EXPECTED TO SPREAD ACROSS THE OUTER
OFFSHORE WATERS OF EL SALVADOR AND GUATEMALA TUE AND TUE NIGHT.
OTHERWISE, MODERATE SEAS IN MIXED SW AND NW SWELL ARE EXPECTED
OVER THE REGIONAL WATERS THROUGH THE WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 21-26, Seas SSW 3.1-4.3 ft @ 16sec
TONITE - NNW 30-37, Seas NNW 6.5-7.1 ft @ 6sec
TUESDAY - NNW 30-37, Seas NNW 6.5-7.1 ft @ 6sec
TUESDAY NIGHT - N 14-18, Seas SSW 5.3-6 ft @ 14sec

LONG-TERM TEHUANTEPEC
WEDNESDAY - N 14-18, Seas SSW 5.3-6 ft @ 14sec
THURSDAY - N 10-12, Seas SSW 1.1-3.1 ft @ 14sec
FRIDAY - Not available yet
SATURDAY - NNW 20-25, Seas N/A ?-? ft @ ?
SUNDAY - N 24-30, Seas N/A ?-? ft @ ?